AI4-SPR4 kit features a Sport pressure plate for a nice upgrade
ATI Damper Bolt Pack - 6 - 5/16 - 18x1 & 3 - 3/8 - 16x1 1/2 - 9 Bolts
AR1-XTSS kit features an Xtreme pressure plate for the most demanding driver
Advan GT Premium Version 21x11
They also come standard with a limited lifetime warranty and an exclusive 60 day ride satisfaction guarantee
Bikers Choice 1936-61 4 Speed Big Twin Transmission Speedo Drive 11T Replaces H-D 67130-36 1988-pontiac-bonneville-sse-esi5792613 AI4-SPR4 kit features a SportBiker's Choice speedometers and drive units deliver precise, reliable speed readings with OEM style fitment for classic and late model Harley Softail, FX, XL, and Big Twin applications. Precise MPH scales 120 140 with black or white faces for clear visibility in custom dashes Durable construction with correct drive ratios ensures accurate, reliable speed readings Direct OEM replacements or universal fit for Softail, XL, FX, and FXR applications